factor/library/inference/stack.factor

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Factor

! :folding=indent:collapseFolds=1:
! $Id$
!
! Copyright (C) 2004 Slava Pestov.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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IN: inference
USE: interpreter
USE: kernel
USE: lists
USE: namespaces
USE: words
\ >r [
f #>r dataflow, [ 1 0 node-inputs ] extend
pop-d push-r
[ 0 1 node-outputs ] bind
] "infer" set-word-property
\ r> [
f #r> dataflow, [ 0 1 node-inputs ] extend
pop-r push-d
[ 1 0 node-outputs ] bind
] "infer" set-word-property
: meta-infer ( word op -- )
#! Mark a word as being partially evaluated.
dupd [
over unit , \ car ,
f , ,
"infer-effect" word-property ,
[ drop host-word ] ,
\ with-dataflow ,
] make-list "infer" set-word-property ;
\ drop #drop meta-infer
\ dup #dup meta-infer
\ swap #swap meta-infer
\ over #over meta-infer
\ pick #pick meta-infer